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Diffstat (limited to 'opcodes/arm-opc.h')
| -rw-r--r-- | opcodes/arm-opc.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/opcodes/arm-opc.h b/opcodes/arm-opc.h new file mode 100644 index 00000000000..f49298fb0cd --- /dev/null +++ b/opcodes/arm-opc.h @@ -0,0 +1,281 @@ +/* Opcode table for the ARM. + + Copyright 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + + +struct arm_opcode { + unsigned long value, mask; /* recognise instruction if (op&mask)==value */ + char *assembler; /* how to disassemble this instruction */ +}; + +struct thumb_opcode +{ + unsigned short value, mask; /* recognise instruction if (op&mask)==value */ + char * assembler; /* how to disassemble this instruction */ +}; + +/* format of the assembler string : + + %% % + %<bitfield>d print the bitfield in decimal + %<bitfield>x print the bitfield in hex + %<bitfield>r print as an ARM register + %<bitfield>f print a floating point constant if >7 else a + floating point register + %c print condition code (always bits 28-31) + %P print floating point precision in arithmetic insn + %Q print floating point precision in ldf/stf insn + %R print floating point rounding mode + %<bitnum>'c print specified char iff bit is one + %<bitnum>`c print specified char iff bit is zero + %<bitnum>?ab print a if bit is one else print b + %p print 'p' iff bits 12-15 are 15 + %t print 't' iff bit 21 set and bit 24 clear + %h print 'h' iff bit 5 set, else print 'b' + %o print operand2 (immediate or register + shift) + %a print address for ldr/str instruction + %s print address for ldr/str halfword/signextend instruction + %b print branch destination + %A print address for ldc/stc/ldf/stf instruction + %m print register mask for ldm/stm instruction + %C print the PSR sub type. + %F print the COUNT field of a LFM/SFM instruction. +Thumb specific format options: + %D print Thumb register (bits 0..2 as high number if bit 7 set) + %S print Thumb register (bits 3..5 as high number if bit 6 set) + %<bitfield>I print bitfield as a signed decimal + (top bit of range being the sign bit) + %M print Thumb register mask + %N print Thumb register mask (with LR) + %O print Thumb register mask (with PC) + %T print Thumb condition code (always bits 8-11) + %<bitfield>B print Thumb branch destination (signed displacement) + %<bitfield>W print (bitfield * 4) as a decimal + %<bitfield>H print (bitfield * 2) as a decimal + %<bitfield>a print (bitfield * 4) as a pc-rel offset + decoded symbol +*/ + +/* Note: There is a partial ordering in this table - it must be searched from + the top to obtain a correct match. */ + +static struct arm_opcode arm_opcodes[] = { + /* ARM instructions */ + {0xe1a00000, 0xffffffff, "nop\t\t\t(mov r0,r0)"}, + {0x012FFF10, 0x0ffffff0, "bx%c\t%0-3r"}, + {0x00000090, 0x0fe000f0, "mul%c%20's\t%16-19r, %0-3r, %8-11r"}, + {0x00200090, 0x0fe000f0, "mla%c%20's\t%16-19r, %0-3r, %8-11r, %12-15r"}, + {0x01000090, 0x0fb00ff0, "swp%c%22'b\t%12-15r, %0-3r, [%16-19r]"}, + {0x00800090, 0x0fa000f0, "%22?sumull%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"}, + {0x00a00090, 0x0fa000f0, "%22?sumlal%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"}, + {0x00000090, 0x0e100090, "str%c%6's%h\t%12-15r, %s"}, + {0x00100090, 0x0e100090, "ldr%c%6's%h\t%12-15r, %s"}, + {0x00000000, 0x0de00000, "and%c%20's\t%12-15r, %16-19r, %o"}, + {0x00200000, 0x0de00000, "eor%c%20's\t%12-15r, %16-19r, %o"}, + {0x00400000, 0x0de00000, "sub%c%20's\t%12-15r, %16-19r, %o"}, + {0x00600000, 0x0de00000, "rsb%c%20's\t%12-15r, %16-19r, %o"}, + {0x00800000, 0x0de00000, "add%c%20's\t%12-15r, %16-19r, %o"}, + {0x00a00000, 0x0de00000, "adc%c%20's\t%12-15r, %16-19r, %o"}, + {0x00c00000, 0x0de00000, "sbc%c%20's\t%12-15r, %16-19r, %o"}, + {0x00e00000, 0x0de00000, "rsc%c%20's\t%12-15r, %16-19r, %o"}, + {0x0120f000, 0x0db6f000, "msr%c\t%22?scpsr%C, %o"}, + {0x010f0000, 0x0fbf0fff, "mrs%c\t%12-15r, %22?scpsr"}, + {0x01000000, 0x0de00000, "tst%c%p\t%16-19r, %o"}, + {0x01200000, 0x0de00000, "teq%c%p\t%16-19r, %o"}, + {0x01400000, 0x0de00000, "cmp%c%p\t%16-19r, %o"}, + {0x01600000, 0x0de00000, "cmn%c%p\t%16-19r, %o"}, + {0x01800000, 0x0de00000, "orr%c%20's\t%12-15r, %16-19r, %o"}, + {0x01a00000, 0x0de00000, "mov%c%20's\t%12-15r, %o"}, + {0x01c00000, 0x0de00000, "bic%c%20's\t%12-15r, %16-19r, %o"}, + {0x01e00000, 0x0de00000, "mvn%c%20's\t%12-15r, %o"}, + {0x04000000, 0x0e100000, "str%c%22'b%t\t%12-15r, %a"}, + {0x06000000, 0x0e100ff0, "str%c%22'b%t\t%12-15r, %a"}, + {0x04000000, 0x0c100010, "str%c%22'b%t\t%12-15r, %a"}, + {0x06000010, 0x0e000010, "undefined"}, + {0x04100000, 0x0c100000, "ldr%c%22'b%t\t%12-15r, %a"}, + {0x08000000, 0x0e100000, "stm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"}, + {0x08100000, 0x0e100000, "ldm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"}, + {0x0a000000, 0x0e000000, "b%24'l%c\t%b"}, + {0x0f000000, 0x0f000000, "swi%c\t%0-23x"}, + + /* Floating point coprocessor instructions */ + {0x0e000100, 0x0ff08f10, "adf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e100100, 0x0ff08f10, "muf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e200100, 0x0ff08f10, "suf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e300100, 0x0ff08f10, "rsf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e400100, 0x0ff08f10, "dvf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e500100, 0x0ff08f10, "rdf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e600100, 0x0ff08f10, "pow%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e700100, 0x0ff08f10, "rpw%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e800100, 0x0ff08f10, "rmf%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e900100, 0x0ff08f10, "fml%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0ea00100, 0x0ff08f10, "fdv%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0eb00100, 0x0ff08f10, "frd%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0ec00100, 0x0ff08f10, "pol%c%P%R\t%12-14f, %16-18f, %0-3f"}, + {0x0e008100, 0x0ff08f10, "mvf%c%P%R\t%12-14f, %0-3f"}, + {0x0e108100, 0x0ff08f10, "mnf%c%P%R\t%12-14f, %0-3f"}, + {0x0e208100, 0x0ff08f10, "abs%c%P%R\t%12-14f, %0-3f"}, + {0x0e308100, 0x0ff08f10, "rnd%c%P%R\t%12-14f, %0-3f"}, + {0x0e408100, 0x0ff08f10, "sqt%c%P%R\t%12-14f, %0-3f"}, + {0x0e508100, 0x0ff08f10, "log%c%P%R\t%12-14f, %0-3f"}, + {0x0e608100, 0x0ff08f10, "lgn%c%P%R\t%12-14f, %0-3f"}, + {0x0e708100, 0x0ff08f10, "exp%c%P%R\t%12-14f, %0-3f"}, + {0x0e808100, 0x0ff08f10, "sin%c%P%R\t%12-14f, %0-3f"}, + {0x0e908100, 0x0ff08f10, "cos%c%P%R\t%12-14f, %0-3f"}, + {0x0ea08100, 0x0ff08f10, "tan%c%P%R\t%12-14f, %0-3f"}, + {0x0eb08100, 0x0ff08f10, "asn%c%P%R\t%12-14f, %0-3f"}, + {0x0ec08100, 0x0ff08f10, "acs%c%P%R\t%12-14f, %0-3f"}, + {0x0ed08100, 0x0ff08f10, "atn%c%P%R\t%12-14f, %0-3f"}, + {0x0ee08100, 0x0ff08f10, "urd%c%P%R\t%12-14f, %0-3f"}, + {0x0ef08100, 0x0ff08f10, "nrm%c%P%R\t%12-14f, %0-3f"}, + {0x0e000110, 0x0ff00f1f, "flt%c%P%R\t%16-18f, %12-15r"}, + {0x0e100110, 0x0fff0f98, "fix%c%R\t%12-15r, %0-2f"}, + {0x0e200110, 0x0fff0fff, "wfs%c\t%12-15r"}, + {0x0e300110, 0x0fff0fff, "rfs%c\t%12-15r"}, + {0x0e400110, 0x0fff0fff, "wfc%c\t%12-15r"}, + {0x0e500110, 0x0fff0fff, "rfc%c\t%12-15r"}, + {0x0e90f110, 0x0ff8fff0, "cmf%c\t%16-18f, %0-3f"}, + {0x0eb0f110, 0x0ff8fff0, "cnf%c\t%16-18f, %0-3f"}, + {0x0ed0f110, 0x0ff8fff0, "cmfe%c\t%16-18f, %0-3f"}, + {0x0ef0f110, 0x0ff8fff0, "cnfe%c\t%16-18f, %0-3f"}, + {0x0c000100, 0x0e100f00, "stf%c%Q\t%12-14f, %A"}, + {0x0c100100, 0x0e100f00, "ldf%c%Q\t%12-14f, %A"}, + {0x0c000200, 0x0e100f00, "sfm%c\t%12-14f, %F, %A"}, + {0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A"}, + + /* Generic coprocessor instructions */ + {0x0e000000, 0x0f000010, "cdp%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"}, + {0x0e100010, 0x0f100010, "mrc%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"}, + {0x0e000010, 0x0f100010, "mcr%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"}, + {0x0c000000, 0x0e100000, "stc%c%22'l\t%8-11d, cr%12-15d, %A"}, + {0x0c100000, 0x0e100000, "ldc%c%22'l\t%8-11d, cr%12-15d, %A"}, + /* the rest */ + {0x00000000, 0x00000000, "undefined instruction %0-31x"}, + {0x00000000, 0x00000000, 0} +}; + +#define BDISP(x) ((((x) & 0xffffff) ^ 0x800000) - 0x800000) /* 26 bit */ + +static struct thumb_opcode thumb_opcodes[] = +{ + /* Thumb instructions */ + {0x46C0, 0xFFFF, "nop\t\t\t(mov r8,r8)"}, /* format 5 instructions do not update the PSR */ + {0x1C00, 0xFFC0, "mov\t%0-2r, %3-5r\t\t(add %0-2r, %3-5r, #%6-8d)"}, + /* format 4 */ + {0x4000, 0xFFC0, "and\t%0-2r, %3-5r"}, + {0x4040, 0xFFC0, "eor\t%0-2r, %3-5r"}, + {0x4080, 0xFFC0, "lsl\t%0-2r, %3-5r"}, + {0x40C0, 0xFFC0, "lsr\t%0-2r, %3-5r"}, + {0x4100, 0xFFC0, "asr\t%0-2r, %3-5r"}, + {0x4140, 0xFFC0, "adc\t%0-2r, %3-5r"}, + {0x4180, 0xFFC0, "sbc\t%0-2r, %3-5r"}, + {0x41C0, 0xFFC0, "ror\t%0-2r, %3-5r"}, + {0x4200, 0xFFC0, "tst\t%0-2r, %3-5r"}, + {0x4240, 0xFFC0, "neg\t%0-2r, %3-5r"}, + {0x4280, 0xFFC0, "cmp\t%0-2r, %3-5r"}, + {0x42C0, 0xFFC0, "cmn\t%0-2r, %3-5r"}, + {0x4300, 0xFFC0, "orr\t%0-2r, %3-5r"}, + {0x4340, 0xFFC0, "mul\t%0-2r, %3-5r"}, + {0x4380, 0xFFC0, "bic\t%0-2r, %3-5r"}, + {0x43C0, 0xFFC0, "mvn\t%0-2r, %3-5r"}, + /* format 13 */ + {0xB000, 0xFF80, "add\tsp, #%0-6W"}, + {0xB080, 0xFF80, "sub\tsp, #%0-6W"}, + /* format 5 */ + {0x4700, 0xFF80, "bx\t%S"}, + {0x4400, 0xFF00, "add\t%D, %S"}, + {0x4500, 0xFF00, "cmp\t%D, %S"}, + {0x4600, 0xFF00, "mov\t%D, %S"}, + /* format 14 */ + {0xB400, 0xFE00, "push\t%N"}, + {0xBC00, 0xFE00, "pop\t%O"}, + /* format 2 */ + {0x1800, 0xFE00, "add\t%0-2r, %3-5r, %6-8r"}, + {0x1A00, 0xFE00, "sub\t%0-2r, %3-5r, %6-8r"}, + {0x1C00, 0xFE00, "add\t%0-2r, %3-5r, #%6-8d"}, + {0x1E00, 0xFE00, "sub\t%0-2r, %3-5r, #%6-8d"}, + /* format 8 */ + {0x5200, 0xFE00, "strh\t%0-2r, [%3-5r, %6-8r]"}, + {0x5A00, 0xFE00, "ldrh\t%0-2r, [%3-5r, %6-8r]"}, + {0x5600, 0xF600, "lds%11?hb\t%0-2r, [%3-5r, %6-8r]"}, + /* format 7 */ + {0x5000, 0xFA00, "str%10'b\t%0-2r, [%3-5r, %6-8r]"}, + {0x5800, 0xFA00, "ldr%10'b\t%0-2r, [%3-5r, %6-8r]"}, + /* format 1 */ + {0x0000, 0xF800, "lsl\t%0-2r, %3-5r, #%6-10d"}, + {0x0800, 0xF800, "lsr\t%0-2r, %3-5r, #%6-10d"}, + {0x1000, 0xF800, "asr\t%0-2r, %3-5r, #%6-10d"}, + /* format 3 */ + {0x2000, 0xF800, "mov\t%8-10r, #%0-7d"}, + {0x2800, 0xF800, "cmp\t%8-10r, #%0-7d"}, + {0x3000, 0xF800, "add\t%8-10r, #%0-7d"}, + {0x3800, 0xF800, "sub\t%8-10r, #%0-7d"}, + /* format 6 */ + {0x4800, 0xF800, "ldr\t%8-10r, [pc, #%0-7W]\t(%0-7a)"}, /* TODO: Disassemble PC relative "LDR rD,=<symbolic>" */ + /* format 9 */ + {0x6000, 0xF800, "str\t%0-2r, [%3-5r, #%6-10W]"}, + {0x6800, 0xF800, "ldr\t%0-2r, [%3-5r, #%6-10W]"}, + {0x7000, 0xF800, "strb\t%0-2r, [%3-5r, #%6-10d]"}, + {0x7800, 0xF800, "ldrb\t%0-2r, [%3-5r, #%6-10d]"}, + /* format 10 */ + {0x8000, 0xF800, "strh\t%0-2r, [%3-5r, #%6-10H]"}, + {0x8800, 0xF800, "ldrh\t%0-2r, [%3-5r, #%6-10H]"}, + /* format 11 */ + {0x9000, 0xF800, "str\t%8-10r, [sp, #%0-7W]"}, + {0x9800, 0xF800, "ldr\t%8-10r, [sp, #%0-7W]"}, + /* format 12 */ + {0xA000, 0xF800, "add\t%8-10r, pc, #%0-7W\t(adr %8-10r,%0-7a)"}, + {0xA800, 0xF800, "add\t%8-10r, sp, #%0-7W"}, + /* format 15 */ + {0xC000, 0xF800, "stmia\t%8-10r!,%M"}, + {0xC800, 0xF800, "ldmia\t%8-10r!,%M"}, + /* format 18 */ + {0xE000, 0xF800, "b\t%0-10B"}, + {0xE800, 0xF800, "undefined"}, + /* format 19 */ + {0xF000, 0xF800, ""}, /* special processing required in disassembler */ + {0xF800, 0xF800, "second half of BL instruction %0-15x"}, + /* format 16 */ + {0xD000, 0xFF00, "beq\t%0-7B"}, + {0xD100, 0xFF00, "bne\t%0-7B"}, + {0xD200, 0xFF00, "bcs\t%0-7B"}, + {0xD300, 0xFF00, "bcc\t%0-7B"}, + {0xD400, 0xFF00, "bmi\t%0-7B"}, + {0xD500, 0xFF00, "bpl\t%0-7B"}, + {0xD600, 0xFF00, "bvs\t%0-7B"}, + {0xD700, 0xFF00, "bvc\t%0-7B"}, + {0xD800, 0xFF00, "bhi\t%0-7B"}, + {0xD900, 0xFF00, "bls\t%0-7B"}, + {0xDA00, 0xFF00, "bge\t%0-7B"}, + {0xDB00, 0xFF00, "blt\t%0-7B"}, + {0xDC00, 0xFF00, "bgt\t%0-7B"}, + {0xDD00, 0xFF00, "ble\t%0-7B"}, + /* format 17 */ + {0xDE00, 0xFF00, "undefined"}, + {0xDF00, 0xFF00, "swi\t%0-7d"}, + /* format 9 */ + {0x6000, 0xF800, "str\t%0-2r, [%3-5r, #%6-10W]"}, + {0x6800, 0xF800, "ldr\t%0-2r, [%3-5r, #%6-10W]"}, + {0x7000, 0xF800, "strb\t%0-2r, [%3-5r, #%6-10d]"}, + {0x7800, 0xF800, "ldrb\t%0-2r, [%3-5r, #%6-10d]"}, + /* the rest */ + {0x0000, 0x0000, "undefined instruction %0-15x"}, + {0x0000, 0x0000, 0} +}; + +#define BDISP23(x) ((((((x) & 0x07ff) << 11) | (((x) & 0x07ff0000) >> 16)) \ + ^ 0x200000) - 0x200000) /* 23bit */ + |